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    <h3><a href="/blog/2020/03/08/SpringBoot/" itemprop="url" title="SpringBoot学习笔记1">SpringBoot学习笔记1</a></h3>
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        <p><span class="exturl" data-url="aHR0cHM6Ly93d3cuYmlsaWJpbGkuY29tL3ZpZGVvL2F2MjA5NjUyOTU=">参考视频</span></p>
<h1 id="一-spring-boot入门"><a class="markdownIt-Anchor" href="#一-spring-boot入门">#</a> 一、Spring Boot 入门</h1>
<h2 id="1-spring-boot简介"><a class="markdownIt-Anchor" href="#1-spring-boot简介">#</a> 1. Spring Boot 简介</h2>
<blockquote>
<p>简化 Spring 应用开发的一个框架；</p>
<p>整个 Spring 技术栈的一个大整合；</p>
<p>J2EE 开发的一站式解决方案；</p>
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    <h3><a href="/blog/2020/03/01/linux-basic-operation/" itemprop="url" title="Linux基本操作">Linux基本操作</a></h3>
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        <p>注：此片命令以 CentOS6 为基准，存在部分 CentOS7 会注明。</p>
<h2 id="1用户"><a class="markdownIt-Anchor" href="#1用户">#</a> 1. 用户</h2>
<p><code>useradd [用户名]</code> <br>
 <code>useradd -d [目录] [用户名]</code></p>
      
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    <h3><a href="/blog/2021/11/19/tomcat/" itemprop="url" title="tomcat">tomcat</a></h3>
    <div class="excerpt">
        # tomcat 中四大 servlet 容器
# 1. 请求处理

123456789101112131415161718Pipeline	List&amp;lt;Valve&amp;gt;Engine	Pipeline pipeline	List&amp;lt;Host&amp;gt; hosts Host Pipeline pipeline List&amp;lt;Context&amp;gt; contextsContext 	Pipeline pipeline List&amp;lt;Wrapper&amp;gt; Wrappers Wrapper Pipeline pipeline...
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    <h3><a href="/blog/2020/03/20/MySQL%E7%B4%A2%E5%BC%95%E5%8E%9F%E7%90%86/" itemprop="url" title="MySQL索引原理">MySQL索引原理</a></h3>
    <div class="excerpt">
        # B±Tree

# 页

16KB
6 条数据一组

1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768select version();drop table t1;create table t1 (	a int primary key,	b int,	c int,	d int,	e varchar(20)) engine=InnoDB;show index from t1;insert...
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    <h3><a href="/blog/2020/03/19/%E6%95%B0%E7%BB%84%E7%9A%84%E4%BD%BF%E7%94%A8/" itemprop="url" title="数组的使用">数组的使用</a></h3>
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    <h3><a href="/blog/2020/03/03/Nginx/" itemprop="url" title="Nginx学习笔记">Nginx学习笔记</a></h3>
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        <p><span class="exturl" data-url="aHR0cHM6Ly93d3cuYmlsaWJpbGkuY29tL3ZpZGVvL2F2NjgxMzY3MzQv">参考视频</span></p>
<h2 id="1-nginx基本概念"><a class="markdownIt-Anchor" href="#1-nginx基本概念">#</a> 1. Nginx 基本概念</h2>
<h3 id="11-什么是nginx"><a class="markdownIt-Anchor" href="#11-什么是nginx">#</a> 1.1 什么是 nginx</h3>
<p>Nginx（“engine x”）是一个高性能的 HTTP 和反向代理服务器，特点是占有内存少，并发能力强，</p>
      
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    <h3><a href="/blog/2020/03/01/%E9%85%8D%E7%BD%AELinux%E8%99%9A%E6%8B%9F%E6%9C%BA/" itemprop="url" title="配置Linux虚拟机">配置Linux虚拟机</a></h3>
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        <p>ubuntu 为例：</p>
<h2 id="1安装vmware-tools"><a class="markdownIt-Anchor" href="#1安装vmware-tools">#</a> 1. 安装 VMware tools</h2>
<ul>
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</ul>
      
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    <h3><a href="/blog/2020/02/29/git-operation/" itemprop="url" title="Git&amp;Github">Git&Github</a></h3>
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        <p>git 官网：<span class="exturl" data-url="aHR0cHM6Ly9naXQtc2NtLmNvbS8=">https://git-scm.com/</span></p>
<h2 id="1安装"><a class="markdownIt-Anchor" href="#1安装">#</a> 1. 安装</h2>
<p><img data-src="git-operation/%E5%AE%89%E8%A3%851.png" alt=""></p>
      
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    <h3><a href="/blog/2020/02/29/MySQL%E5%AE%89%E8%A3%85/" itemprop="url" title="MySQL安装">MySQL安装</a></h3>
    <div class="excerpt">
        <p>Windows 压缩包安装</p>
<ul>
<li>1. 官网下载</li>
</ul>
      
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    <h3><a href="/blog/2020/02/28/%E8%8E%B7%E5%8F%96%E7%94%A8%E9%94%AE%E7%9B%98%E8%BE%93%E5%85%A5%E5%B8%B8%E7%94%A8%E7%9A%84%E4%B8%A4%E7%A7%8D%E6%96%B9%E6%B3%95/" itemprop="url" title="获取用键盘输入常用的两种方法">获取用键盘输入常用的两种方法</a></h3>
    <div class="excerpt">
        方法 1 ： Scanner

Scanner input = new Scanner(System.in);
String s = input.nextLine();
input.close();

方法 2 ： BufferedReader

BufferedReader input = new BufferedReader(new InputStreamReader(System.in));
String s = input.readLine();
    </div>
    <a href="/blog/2020/02/28/%E8%8E%B7%E5%8F%96%E7%94%A8%E9%94%AE%E7%9B%98%E8%BE%93%E5%85%A5%E5%B8%B8%E7%94%A8%E7%9A%84%E4%B8%A4%E7%A7%8D%E6%96%B9%E6%B3%95/" itemprop="url" title="获取用键盘输入常用的两种方法" class="btn">more...</a>
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  <span class="item" title="创建时间：2020-02-28 13:57:35">
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    <time itemprop="dateCreated datePublished" datetime="2020-02-28T13:57:35+08:00">2020-02-28</time>
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    <h3><a href="/blog/2020/02/28/String%E5%92%8CStringBuffer%E3%80%81StringBuilder%E7%9A%84%E5%8C%BA%E5%88%AB%EF%BC%9F/" itemprop="url" title="String和StringBuffer、StringBuilder的区别？">String和StringBuffer、StringBuilder的区别？</a></h3>
    <div class="excerpt">
        <ul>
<li>可变性<br>
简单的来说，<br>
String 类中使用 final 关键字字符数组保存字符串， private final char value [] ，所以 String 对象是不可变的。<br>
而 StringBuilder 与 StringBuffer 都继承自 AbstractStringBuilder 类，在 AbstractStringBuilder 中也是使用字符数组保存字符串 char [] value 但是没有用 final 关键字修饰，所以这两种对象都是可变的。</li>
</ul>
      
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    <a href="/blog/2020/02/28/String%E5%92%8CStringBuffer%E3%80%81StringBuilder%E7%9A%84%E5%8C%BA%E5%88%AB%EF%BC%9F/" itemprop="url" title="String和StringBuffer、StringBuilder的区别？" class="btn">more...</a>
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